Teil 3: Anwendung von Laborergebnissen in der Baupraxis,Ausführungsfehler

Sound protection of cavity floors. Part 3: Application of laboratory results in practice; pitfalls during construction This third part of the three‐part „Sound protection of cavity floors”︁ series relates the laboratory examination and analysis of the acoustic parameters of cavity floors to the application in practice. Part 1 1] described the historic development of cavity floors since the 1980s and the main airborne sound protection parameters, i.e. the standard flanking level difference (airborne sound protection for horizontal transfer, flanking level reduction) and the sound insulation of solid ceilings with cavity floors for vertical sound transfer. Part 2 of the series 2] described the impact sound insulation parameters, i.e. the weighted impact sound reduction (impact sound improvement) and the weighted flanking impact sound level (weighted standard impact sound level for horizontal transfer). This third part suggests cavity floor design options for meeting the required sound protection levels that may exist either in the form of minimum requirements stipulated by building authorities or through civil law agreements between users and investors.